545491260 has 72 divisors (see below), whose sum is σ = 1715955696. Its totient is φ = 145463040.

The previous prime is 545491241. The next prime is 545491327. The reversal of 545491260 is 62194545.

545491260 is a `hidden beast` number, since 54 + 549 + 1 + 2 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51261 + ... + 60980.

It is an arithmetic number, because the mean of its divisors is an integer number (23832718).

Almost surely, 2^545491260 is an apocalyptic number.

It is an amenable number.

545491260 is an abundant number, since it is smaller than the sum of its proper divisors (1170464436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545491260 is a wasteful number, since it uses less digits than its factorization.

545491260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112265 (or 112251 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 545491260 is about 23355.7543230785. The cubic root of 545491260 is about 817.0762722886.

The spelling of 545491260 in words is "five hundred forty-five million, four hundred ninety-one thousand, two hundred sixty".